/**
    * This file Copyright (c) 2016 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.pages.app.action;
  
  import info.magnolia.event.EventBus;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.rendering.template.registry.TemplateDefinitionRegistry;
  import info.magnolia.ui.admincentral.dialog.action.SaveDialogAction;
  import info.magnolia.ui.admincentral.dialog.action.SaveDialogActionDefinition;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.api.app.SubAppContext;
  import info.magnolia.ui.api.event.AdmincentralEventBus;
  import info.magnolia.ui.api.event.ContentChangedEvent;
  import info.magnolia.ui.dialog.DialogPresenter;
  import info.magnolia.ui.dialog.callback.DefaultEditorCallback;
  import info.magnolia.ui.dialog.formdialog.FormDialogPresenter;
  import info.magnolia.ui.dialog.formdialog.FormDialogPresenterFactory;
  import info.magnolia.ui.form.EditorCallback;
  import info.magnolia.ui.form.EditorValidator;
  import info.magnolia.ui.vaadin.integration.contentconnector.ContentConnector;
  import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Create page action.
   */
  public class CreatePageAction extends SaveDialogAction {
  
      private static final Logger log = LoggerFactory.getLogger(CreatePageAction.class);
  
      private final FormDialogPresenterFactory dialogPresenterFactory;
      private final SubAppContext subAppContext;
      private final TemplateDefinitionRegistry templateDefinitionRegistry;
      private final EventBus eventBus;
      private final ContentConnector contentConnector;
  
      @Inject
      public CreatePageAction(SaveDialogActionDefinition definition, JcrNodeAdapter item, EditorValidator validator, EditorCallback callback, FormDialogPresenterFactory dialogPresenterFactory, SubAppContext subAppContext, TemplateDefinitionRegistry templateDefinitionRegistry, @Named(AdmincentralEventBus.NAME) final EventBus eventBus, ContentConnector contentConnector) {
          super(definition, item, validator, callback);
          this.dialogPresenterFactory = dialogPresenterFactory;
          this.subAppContext = subAppContext;
          this.templateDefinitionRegistry = templateDefinitionRegistry;
          this.eventBus = eventBus;
          this.contentConnector = contentConnector;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          validator.showValidation(true);
  
          if (validator.isValid()) {
              final JcrNodeAdapter itemChanged = (JcrNodeAdapter) item;
              try {
                  final String dialogId = templateDefinitionRegistry.getProvider((String) item.getItemProperty(NodeTypes.Renderable.TEMPLATE).getValue()).get().getDialog();
                  if (dialogId != null) {
                      callback.onSuccess(getDefinition().getName()); //close the first dialog
                      final FormDialogPresenter formDialogPresenter = dialogPresenterFactory.createFormDialogPresenter(dialogId);
                      formDialogPresenter.start(item, dialogId, subAppContext, createDialogCallback(formDialogPresenter));
                  } else {
                      Node node = itemChanged.applyChanges();
                      setNodeName(node, itemChanged);
                     node.getSession().save();
                     callback.onSuccess(getDefinition().getName());
                 }
             } catch (RepositoryException e) {
                 throw new ActionExecutionException(e);
             }
         } else {
             log.info("Validation error(s) occurred. No save performed.");
         }
     }
 
     private EditorCallback createDialogCallback(final DialogPresenter formDialogPresenter) {
         return new DefaultEditorCallback(formDialogPresenter) {
             @Override
             public void onSuccess(String actionName) {
                 eventBus.fireEvent(new ContentChangedEvent(contentConnector.getItemId(item), true));
                 super.onSuccess(actionName);
             }
         };
     }
 
     /**
      * @deprecated since 5.4.7. Use {@link #createDialogCallback(DialogPresenter)}. I don't think we'll need to open this
      * one up. You can still listen to the event.
      */
     @Deprecated
     protected EditorCallback createDialogCallback(final JcrNodeAdapter itemChanged, final DialogPresenter formDialogPresenter) {
         return createDialogCallback(formDialogPresenter);
     }
 
     /**
      * Definition for {@link CreatePageAction}.
      */
     public static class Definition extends SaveDialogActionDefinition {
         public Definition() {
             setImplementationClass(CreatePageAction.class);
         }
     }
 }